Marine Ships have two to four masts with two to three sails per mast. The size of these ships can vary, depending on purpose. One of the varieties first appeared in Chapter 43 and Episode 1. The decorations and paint job is always kept within the same style and there is little variation between ships beyond size and armaments. The standard paint covering the outer hull is normally a sea-greenish-blue basis patterned with darker streaks of the same, apparently mimicking waves, a pattern found also on the exterior of most Marine bases, and mostly black superstructures. Only a few notable Marines have ships that do not follow the standard design and paint job. Marines also underline the bottom of their ships with Seastone so they can cross the Calm Belt without the Sea Kings noticing they are